(navigation image)
Home American Libraries | Canadian Libraries | Universal Library | Community Texts | Project Gutenberg | Children's Library | Biodiversity Heritage Library | Additional Collections
Search: Advanced Search
Anonymous User (login or join us)
Upload
See other formats

Full text of "Flora Indica Vol-I"

X                                                     CONTKXTS.
\'»W
magnifying of trifling distinct ions due to want of education and of
philosophical views       .       .       .       .       .       .       .       .       .lit
Physiology, evil of studying without preliminary acquaintance with
System, etc.—Defective state of modern botanical instruction, imd
its effects—The value of the study of System evidenced in AViioxvclVs
'History of the Inductive Sciences' — The greatest dwrou'/j »s in
physiological botany developed through tho labours of great Syt*-
tematists, Linuoous, Brown, and Bronguiart . , . . . 1 !•
Relative importance of elementary acquaintance with physiology in
Animal and Vegetable Kingdoms—Obstacles at outset to students
acquiring an elementary knowledge of botany aud of botanical ter-
miuology—Iienco necessity of artificial systems for beginners , 13
Vulgar eiTors more habitual in all that regards the organs of plant9
than of animals—KeqiurcmeutB for study of Syyfwnntic Botany,
especially development . . . . . . . .            Hi
Necessity of comprehensive knowledge of forms and development im-
plies variation—Amount of variation can only be appreciated by
consideration of these—Physiology, aa a branch of botany, evil of
mibunderatandmg its relation to other branches of the science . 17
Practical advantages of the study of classification—Defective prelimi-
nary education of men intended for scientific professions . . J 8
III. SUBJECTS or VALUATION, OHIGIN 01? &>Ecrea, SPECIFIC CKNTUKB, .
HYBIUDIZATIOIT, AND G-JSOGBAPIUCAL DISTRIBUTION .      .       .19
Desirability of explaining tho principles adopted by naturalist's—Vague
and uuphiloBOpliical use of the word Species .       .       ,       *       ,19
DiHere-ncea of opinion'upon tho subject—Lamarck—* Vestiges of tho
Natural History of tho Creation'—8ir 0. Lyell's writings—Our own
views—Prevalence of doctrine of mutability due in part to faulty
education     .               .........20
Hypothesis of nou-exietonco of species docs not duninish the value of
the study of Systematic Botany—Necessity in that case of explain-
ing the law* that govern the relative mutability and peraan<iueo of
forms           ...........21
A. JSffkets of JtybrMisatio*.
Difliculties attending tho operation.......*U
Its partial effects—Offspring Ixavc no characters foreign to parents, and
ore almost always barren—*taalogy from animal kingdom—<"I An
hybrids; arguments from posts/ :'itv af oxistenco of hybrids in na-
ture ; necessity of arguing from such facts on broad principles, and
tlio argument as strong for hybridisation, obliterating ns for making
species"............22
Hybrid Thistles, Gentians, and defective information regarding them
—Arguments from the experience of Indian botaniwtn   .       .       .   JJJJ
The subject wants pys»t em alic Ht\u\v ....                               ,    2t